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Get startedApartment 6 is a three-bedroom semi-detached house in Islington, London, London (N1 1JL). It has a recorded floor area of 254 m² (around 2734 sq ft). At 254 m² this is the largest unit on EPC record across the building (65–254 m²). On EPC score it ranks first in the building (88 versus a worst of 82). The latest certificate (May 2016) returns a high B (score 88), putting the home a stone's throw from an A rating. The latest certificate is from May 2016, so improvements made since then won't be reflected.
Sale prices here have outpaced London HPI: 3.1% per year against 0% for the wider region. Today's modelled estimate of £3,483,000 is 11.5% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£1,143/sq ft) was about 23.2% above the typical sold price in the postcode. At 254 m² the property is well over the postcode median (88 m² across 30 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 83% of similar EPCs). Last sale on file: £3,125,000 in October 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Achieving this rating across a home of this size is uncommon — larger homes typically score lower.
This certificate is over 10 years old and is no longer valid.Expired 13 May 2026
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£3,483,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.1% per year over 5 years.
£3,125,000
Growth on file: 3.1% per year over 5 years.
EPC Rating for Apartment 6 runs comfortably ahead of the street norm.
Price per m²
£12,303
Street avg £12,773
Floor Area
254 m²
Street avg 97 m²
CO₂ Emissions
2.3 t/year
Rail-style transport is unusually close for this postcode.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
The Hemingford Arms — bus stop.

Daytime· 07:00 – 23:00
55.0dB

14 October 2022Most recent
£3,125,000
+15.1%over 4 years9 March 2018
£2,715,000
Median price across the last 5 sales in N1 1JL: £1,650,000 (2025–2024).
Apartment 6 3 Barnsbury Square Islington London
Sold Oct 2025
Apartment 7 3 Barnsbury Square Islington London
Sold Mar 2025
4 Barnsbury Square Islington London
Sold Sept 2024
Apartment 5 3 Barnsbury Square Islington London
Sold Sept 2024
Apartment 8 16 Barnsbury Square Islington London
Sold Jun 2024
Street avg 3.1 t/year
Years Held
4 years
Street avg 5 years
N1 1DH
Closest school
0.1 km
Thornhill Primary School. 98 schools nearby.
Night-time· 23:00 – 07:00
44.4dB
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